Finding the Fourth Proportional to 3,778,768.68, 5,667,568.74 and 1,382,052.84
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Solution
The fourth proportional to 3,778,768.68, 5,667,568.74 and 1,382,052.84 is: 2,072,865.56
Step by Step Solution
- Step 1: Write the proportion equation
3,778,768.68 : 5,667,568.74 = 1,382,052.84 : x - Step 2: Convert to fraction form
3,778,768.68/5,667,568.74 = 1,382,052.84/x - Step 3: Cross multiply
3,778,768.68x = 5,667,568.74 × 1,382,052.84 - Step 4: Simplify right side
3,778,768.68x = 7,832,879,473,012.22 - Step 5: Solve for x
x = 7,832,879,473,012.22/3,778,768.68 - Step 6: Final answer
x = 2,072,865.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.